<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>onmouseover 和 onmouseout 事件</title>
</head>

<body>
    <div onmouseover="mOver(this)" onmouseout="mOut(this)"
        style="background-color:#D94A38;width:120px;height:20px;padding:40px;">Mouse Over Me</div>
    <script>
        function mOver(obj) {
            obj.innerHTML = "Thanl you"
        }
        function mOut(obj) {
            obj.innerHTML = "Mouse Over Me"
        }
    </script>
</body>

</html>